From: Peter Xu <peterx@redhat.com>
To: kvm@vger.kernel.org
Cc: drjones@redhat.com, agordeev@redhat.com, jan.kiszka@web.de,
rkrcmar@redhat.com, pbonzini@redhat.com, peterx@redhat.com
Subject: [PATCH kvm-unit-tests v5 03/14] libcflat: introduce is_power_of_2()
Date: Tue, 15 Nov 2016 17:24:58 -0500 [thread overview]
Message-ID: <1479248709-10281-4-git-send-email-peterx@redhat.com> (raw)
In-Reply-To: <1479248709-10281-1-git-send-email-peterx@redhat.com>
Suggested-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
---
lib/libcflat.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/lib/libcflat.h b/lib/libcflat.h
index 72b1bf9..038ea1d 100644
--- a/lib/libcflat.h
+++ b/lib/libcflat.h
@@ -103,4 +103,9 @@ do { \
} \
} while (0)
+static inline bool is_power_of_2(unsigned long n)
+{
+ return n && !(n & (n - 1));
+}
+
#endif
--
2.7.4
next prev parent reply other threads:[~2016-11-15 22:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-15 22:24 [PATCH kvm-unit-tests v5 00/14] VT-d unit test Peter Xu
2016-11-15 22:24 ` [PATCH kvm-unit-tests v5 01/14] pci: fix missing extern for pci_testdev() Peter Xu
2016-11-16 9:26 ` Andrew Jones
2016-11-15 22:24 ` [PATCH kvm-unit-tests v5 02/14] x86/asm: add cpu_relax() Peter Xu
2016-11-15 22:24 ` Peter Xu [this message]
2016-11-15 22:24 ` [PATCH kvm-unit-tests v5 04/14] x86: intel-iommu: add vt-d init test Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 05/14] libcflat: add IS_ALIGNED() macro, and page sizes Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 06/14] libcflat: moving MIN/MAX here Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 07/14] vm/page: provide PGDIR_OFFSET() macro Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 08/14] pci: introduce struct pci_dev Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 09/14] pci: provide pci_scan_bars() Peter Xu
2016-11-16 9:50 ` Alexander Gordeev
2016-11-21 7:27 ` Peter Xu
2016-11-21 19:24 ` Alexander Gordeev
2016-11-22 2:16 ` Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 10/14] pci: provide pci_enable_defaults() Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 11/14] pci: edu: introduce pci-edu helpers Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 12/14] x86: intel-iommu: add dmar test Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 13/14] pci: add msi support for 32/64bit address Peter Xu
2016-11-21 19:27 ` Alexander Gordeev
2016-11-22 4:59 ` Peter Xu
2016-11-22 7:03 ` Alexander Gordeev
2016-11-22 7:21 ` Peter Xu
2016-11-22 12:30 ` Andrew Jones
2016-11-23 2:40 ` Peter Xu
2016-11-23 10:36 ` Andrew Jones
2016-11-23 10:39 ` Peter Xu
2016-11-15 22:25 ` [PATCH kvm-unit-tests v5 14/14] x86: intel-iommu: add IR MSI test Peter Xu
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